Playing with LEGOS is fun. But, they can also teach us something about matter.

In this episode of Crash Course Kids, Sabrina chats about chemical reactions and the Conservation of Matter.

///Standards Used in This Video/// 5-PS1-2. Measure and graph quantities to provide evidence that regardless of the type of change that occurs when heating, cooling, or mixing substances, the total weight of matter is conserved. [Clarification Statement: Examples of reactions or changes could include phase changes, dissolving, and mixing that form new substances.] [Assessment Boundary: Assessment does not include distinguishing mass and weight.]